1. Eurotransplant International Foundation; Leiden The Netherlands
2. Department of Respiratory Medicine; University Medical Center Groningen; Groningen The Netherlands
3. Department of Intensive Care; Centre Hospitalier Universitaire Université Catholique de Louvain; Namur Godinne Belgium
4. Department of Thoracic Surgery; University Hospital; Vienna Austria
5. Department of Respiratory Medicine; Hôpital Erasme; Brussels Belgium
6. Department of Respiratory Medicine; University Medical Center Utrecht; Utrecht The Netherlands
7. Department of Thoracic and Cardiovascular Surgery; University Hospital Saarland; Homburg Germany
8. Department of Thoracic and Cardiovascular Surgery; University Hospital Munich; Munich Germany
9. Department of Respiratory Medicine; UZ Leuven; Leuven Belgium
10. Department of Thoracic Surgery; Centre Hospitalier Universitaire Université Catholique de Louvain; Namur Godinne Belgium
11. Department of Thoracic and Cardiovascular Surgery; University Hospital Innsbruck; Innsbruck Austria
12. Department of Pulmonary Medicine; Erasmus University Medical Center; Rotterdam The Netherlands
13. Department of Thoracic and Cardiovascular Surgery; University Hospital Eppendorf; Hamburg Germany
14. Department of Cardiac Surgery; University Hospital; Vienna Austria
15. Department of Respiratory Medicine; University Hospital Mainz; Mainz Germany
16. Department of Respiratory Medicine; University Hospital Charité; Berlin Germany
17. Department of Respiratory Medicine; Hannover Medical School; Hannover Germany
18. Biomedical Research in End-stage and Obstructive Disease (Breath); German Centre for Lung Research (DZL); Hannover Germany